JP6392847B2 - Floor board provided with mechanical fixing system and method for manufacturing the fixing system - Google Patents

Floor board provided with mechanical fixing system and method for manufacturing the fixing system Download PDF

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Publication number
JP6392847B2
JP6392847B2 JP2016504281A JP2016504281A JP6392847B2 JP 6392847 B2 JP6392847 B2 JP 6392847B2 JP 2016504281 A JP2016504281 A JP 2016504281A JP 2016504281 A JP2016504281 A JP 2016504281A JP 6392847 B2 JP6392847 B2 JP 6392847B2
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Prior art keywords
end
floor
groove
floor board
tongue
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JP2016504281A
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JP2016516926A (en
Inventor
クリスチャン、ブー
Original Assignee
ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab
ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab
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Priority to SE1350377-6 priority
Application filed by ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab, ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab filed Critical ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab
Priority to PCT/SE2014/050360 priority patent/WO2014182215A1/en
Publication of JP2016516926A publication Critical patent/JP2016516926A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02038Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/042Other details of tongues or grooves with grooves positioned on the rear-side of the panel
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
    • E04F2201/0547Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted to be moved perpendicular to the joint edge
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/08Specially structured or shaped covering, lining or flooring elements not otherwise provided for with a plurality of grooves or slits in the back side, to increase the flexibility or bendability of the elements

Description

  The present disclosure relates to a floorboard provided with a mechanical fastening system and a method for manufacturing a mechanical fastening system at the end of the floorboard.

  Due to tolerances allowed during manufacture, the thickness of the different floorboards can be slightly different. Thus, different parts of the mechanical fastening system can be arranged at different heights of the floorboard. For example, the distance from the floor base on which the floor board is arranged to the tongue on the first floor board is the tongue groove of the second floor board where the tongue is inserted for fixing in the vertical direction from the floor base. May be different from this distance, which is illustrated in FIG. This may cause difficulties when connecting the floorboards because the floorboards may not be in a fixed position. However, such a difference in thickness of the floorboards generally does not cause difficulty when the floorboards are fixed to each other when the floorboards are arranged in a foam provided on the floor base. Such foam is generally compressible. The compressible foam can be compressed with the thick floorboard facing the floor floor so that the tongue groove on the thick floorboard is positioned at the same height as the tongue of the adjacent floorboard. Make it possible.

  Such lower layer foams are conventionally used when installing laminated floors, engineered wood floors, and the like. In the case of installation of vinyl floors, for example floors made of plastic such as LVT (Luxury Vinyl Tiles), such foams are not conventionally used.

  As a result, the difference in thickness between the different floorboards can create difficulties when the floorboards are secured together, in particular when connecting the floorboards by the so-called fold down technique. The fold-down technique includes assembling the floor board by vertically moving one end of one floor board. As described above, a floorboard having a different thickness may cause the tongue groove of one floorboard to be positioned at a different height from the tongue of an adjacent floorboard, and the floorboard may not be in a fixed position. As a result, there is difficulty in connecting the floorboards.

  It is an object of at least some embodiments of the present invention to provide improvements over the techniques described above and known techniques.

  A further object of at least certain embodiments of the present invention is to facilitate the fixation of floorboards by a mechanical fastening system.

  Another object of at least certain embodiments of the present invention is to facilitate the fixation of the floorboard by a mechanical fastening system when the floorboard has different thicknesses.

  A further object of at least some embodiments of the present invention is to facilitate the fixation of the floorboard by a mechanical fastening system when the underlying foam is not used.

  At least some of these and other objects and advantages that may become apparent from the present disclosure are floorboards provided with a mechanical fastening system, comprising a fastening strip protruding from a first end of the first floorboard, The fixing strip is configured to cooperate with a fixing groove on the lower surface of the second end portion of the second floor plate and includes a fixing element for fixing the first end portion and the second end portion in the horizontal direction. Has been achieved, with a raised floorboard. The first end and the second end are configured to be assembled by a downward movement of the second end toward the first end in the vertical direction. The second end is provided with a calibration groove adjacent to the fixed groove.

  An advantage of an embodiment of the invention is that the calibration groove compensates for differences in thickness at the floorboards having different thicknesses, in particular at the ends of the floorboards. The calibration groove allows the second end to be pushed toward the floor substrate on which the floorboard is placed. Thereby, even if it is a case where the thickness of a 2nd floor board exceeds the thickness of a 1st floor board, the 2nd end part has an upper surface of a 2nd floor board in each of a 1st end part and a 2nd end part. It can be arranged to align with the upper side of the first floorboard.

  Another advantage of embodiments of the present invention is that the floorboard can be secured. Traditionally, different floorboards having different thicknesses may prevent partial fixation of mechanical fixation systems such as tongues and tongue grooves. As described above, the tongue portion may have difficulty in entering a state where the tongue portion is fitted into the tongue groove for fixation. By providing the calibration groove of the present disclosure, the second end can be bent downward until it reaches a fixed position where the tongue enters the tongue groove.

  At least the second end may be flexible.

  At least the second floor board may have flexibility. The flexibility or elasticity of the second end or floorboard allows the second end to be bent toward the floor substrate.

  At least the second floorboard may comprise a plastic material, preferably a thermoplastic material or an elastomer.

  The core material of the second floor board may have a plastic material, preferably a thermoplastic material or an elastomer.

  The calibration groove may be open toward the fixed groove.

  The depth of the calibration groove may be substantially equal to or exceeding the average change in thickness between the floor plates.

  The depth of the calibration groove may be substantially equal to the thickness difference between the first floor plate and the second floor plate at the first end and the second end.

  The calibration groove may be disposed on the lower surface of the second floor board.

  The securing element may have a curved outer top. The fixing groove may have a shape complementary to the shape of the fixing element.

  In order to fix the first end and the second end in the vertical direction, the first end or the second end is a tongue at the other of the first end or the second end. A tongue configured to cooperate with the groove may be provided.

  The tongue may be made of the same material as the first end or the second end.

  The tongue may be provided at the second end, and may extend downward from the upper surface of the second floor plate in the vertical direction.

  The width of the tongue may increase with the distance from the upper surface of the second floor board.

  The tongue portion may be a movable tongue portion disposed in the movement groove. The movable tongue may be configured to enter a state of being fitted into the tongue groove when the floor board is in a fixed position.

According to a second aspect of the present invention, the present invention is realized by a method for manufacturing a mechanical fastening system at the ends of a first floorboard and a second floorboard. The method is
A step of preparing a first floor board and a second floor board, wherein the first floor board has a first thickness, and the second floor board has a second thickness different from the first thickness; Process,
Forming a fixing groove on a lower surface of a second end portion of the first floor plate and the second floor plate;
Forming a calibration groove on a lower surface of the second end portion of at least one of the first floor plate and the second floor plate using a tool, the tool including the first floor plate and the first floor plate; A step of being arranged at a fixed position with respect to the upper side of the two-floor board;
Is provided.

  The method according to the second aspect of the invention can incorporate the advantages of the floorboard described above, which also applies to the method of manufacturing the mechanical fastening system.

  The method may further include a step of arranging a bottom surface of the calibration groove at a fixed position from the upper side surface of the first floor plate and the second floor plate.

  The bottom surface of the calibration groove may be arranged such that the depth of the calibration groove is substantially equal to or exceeds the average variation in thickness between the floorboards.

  The bottom surface of the calibration groove may be arranged such that the depth of the calibration groove is substantially equal to the difference in thickness between the first floor plate and the second floor plate.

  The fixing groove and the calibration groove may be formed adjacent to each other.

  The calibration groove may be open toward the fixed groove. The calibration groove may be disposed on a lower surface of the second floor board.

  The method includes forming a fixing strip provided with a fixing element at a first end of the first floor board and the second floor board, the fixing element cooperating with the fixing groove. You may further provide the process comprised. The fixing element may be configured to cooperate with the fixing groove for horizontal fixing.

  The method includes a step of forming a tongue groove in the first end or the second end of the first floor plate and the second floor plate, and the first end of the first floor plate and the second floor plate. And a step of providing a tongue on the other of the second end and the second end, and the tongue may be configured to cooperate with the tongue groove. The tongue may be configured to cooperate with the tongue groove for fixation in the vertical direction.

  The step of providing a tongue includes the step of forming a movement groove on the other of the first end and the second end of the first floor plate and the second floor plate, and the tongue on the movement groove. The tongue portion may be movable in the moving groove.

The present invention may be described in more detail through illustration with reference to the accompanying drawings, which illustrate embodiments of the invention.
FIG. 1 shows a floorboard arranged on a floor foundation according to the prior art. FIG. 2 shows a floor board according to an embodiment of the present invention. FIG. 3 shows the floorboard of FIG. 2 in a fixed position. FIG. 4 shows a floor board according to another embodiment of the present invention. FIG. 5 shows the floorboard of FIG. 4 in a fixed position. FIG. 6a shows a cross section of the first floorboard. FIG. 6b shows a cross section of the second floorboard.

  2, 3, 4 and 5 show a mechanical fixing system of a set of floorboards having at least a first floorboard 1 and a second floorboard 2. 6a and 6b show the first floor board 1 and the second floor board 2, respectively. The first and second floor plates 1 and 2 are disposed on the floor substrate 10. The first floor board 1 has an upper side surface 15 that faces away from the floor substrate 10 and a lower side surface 16 that faces the floor substrate 10. The second floor board 2 has an upper side surface 17 facing the side away from the floor substrate 10 and a lower side surface 18 facing the floor substrate 10.

  The first and second floor plates 1 and 2 are provided with a mechanical fixing system. The mechanical fastening system has a fastening strip 5. The fixing strip 5 protrudes from the first end 3 of the first floor board 1. The fixing strip 5 is provided with a fixing element 6. The fixing element 6 is configured to cooperate with a fixing groove 7 disposed on the lower side surface 18 of the second end 4 of the second floor plate 2, and the fixing element 6 includes the first and the second in the horizontal direction. For fixing the two end portions 3 and 4.

  The fixing element 6 has an outer upper part 30. The fixing groove 7 has an outer lower portion 31. In the embodiment shown in FIGS. 2 and 3, the fixing element 6 has a curved or arcuate outer upper part 30. The curved upper part 30 may be formed as a part of a circle or an ellipse. The fixing groove 7 may have a shape that supplements the shape of the fixing element 6. That is, the outer lower portion 31 of the fixed groove 7 may be curved or arcuate. In the embodiment shown in FIGS. 4 and 5, the fixing element 6 has an inclined outer upper part 32. The fixing groove 7 may have a shape that supplements the shape of the fixing element 6. That is, the outer lower portion 33 of the fixing groove 7 may be inclined. Further, the lower portion of the fixing element 6 facing the floor base 10 may be inclined with respect to the floor base 10 as shown in FIGS.

  The first and second end portions 3 and 4 are configured to be assembled and fixed to each other by the downward movement of the second end portion 4 in the vertical direction toward the first end portion 3.

  The mechanical fastening system may also have a tongue 8 and a tongue groove 9. The tongue 8 may be disposed at the first end 3 or the second end 4. The tongue groove 9 may be disposed on the other of the first end 3 and the second end 4. The tongue 8 is configured to cooperate with the tongue groove 9 for securing the first end 3 and the second end 4 in the vertical direction. As shown in FIGS. 2 and 3, the tongue portion 8 may be inclined with respect to the upper side surface 15 of the first floor board 1 and protrude from the first end portion 3. Instead of this, the tongue portion 8 may protrude from the first end portion 3 while being inclined in the horizontal direction.

  As shown in FIGS. 2 and 3, the tongue portion 8 may be a movable tongue portion disposed in the moving groove 12 at the first end portion 3 or the second end portion 4. The movable tongue 8 may be formed as a separate part. That is, the movable tongue 8 may be formed of a material different from the material of the first and second floor plates 1 and 2. Such a movable tongue 8 is shown, for example, in WO2007 / 015669. In the embodiment shown in FIGS. 2 and 3, the tongue 8 is a movable tongue disposed in the moving groove 12 at the first end 3. The tongue groove 9 is disposed at the second end 4. The movable tongue 8 is movable in the movement groove 12. The movable tongue 8 is configured to cooperate with the tongue groove 9 for securing the first end 3 and the second end 4 in the vertical direction.

  In the embodiment shown in FIGS. 4 and 5, the tongue 13 may be made of the same material as the first end 3 or the second end 4. The tongue 13 may be an integral part of the first end 3 or the second end 4. 4 and 5, the tongue 13 is made of the same material as the second end 4. The tongue groove 14 is formed in the first end 3. The tongue 13 is preferably configured to cooperate with the tongue groove 14 for securing the first end 3 and the second end 4 in the vertical direction. In the embodiment shown in FIGS. 4 and 5, the tongue 13 extends downward from the upper side surface 17 in the vertical direction and protrudes in the horizontal direction. The width of the tongue 13 increases with the distance from the upper surface 17 of the second plate 2. The tongue portion 13 may have a tenon shape when viewed in cross section.

  The first and second end portions 3 and 4 may be short-side end portions of the first and second floor plates 1 and 2, respectively. Moreover, the long side edge part of the 1st and 2nd floor boards 1 and 2 may be provided with a mechanical fixing system. For example, the long edge may be provided with a mechanical fastening system configured to secure the floorboard by bending. Alternatively, the long edge may be provided with a mechanical fastening system of the type described above. It is also contemplated that the floorboard may be square, rectangular or other polygonal shape.

  In the embodiment, at least the second end portion 4 has flexibility, stretchability, or elasticity so that the second end portion 4 is pushed in the vertical direction. The second end 4 is preferably pushed downward in the vertical direction toward the floor substrate 10. In an embodiment, the first and second floor plates 1 and 2 have flexibility, stretchability, or elasticity. The first and second floorboards 1, 2 in this embodiment are plastic materials, preferably polyvinyl chloride (PVC), polyurethane (PU and / or PUR), polypropylene (PP) or polyethylene (PE), or It may have a thermoplastic material such as a combination thereof. The thermoplastic material may be polystyrene (PS), polyethylene terephthalate (PET), sodium polyacrylate, polyvinyl butyral, or combinations thereof. Moreover, the 1st and 2nd floor boards 1 and 2 may have an elastomer. Moreover, the 1st and 2nd floor boards 1 and 2 may have WPC (Wood Plastic Composition). Further, the elastic force of the second end 4 may be ensured by removing material from the second end 4.

  In an embodiment, the 1st and 2nd floor boards 1 and 2 may have one or a plurality of layers. The 1st and 2nd floor boards 1 and 2 may have a core material. The mechanical fixing system may be formed in the core material. Moreover, the 1st and 2nd floor boards 1 and 2 may have the surface layer arrange | positioned on the upper surface of a core material, Preferably a decoration layer or a printing layer. Further, the surface layer may have a wear-resistant layer disposed on the decorative layer or the printed layer. Moreover, the 1st and 2nd floor boards 1 and 2 may have a lining layer arrange | positioned on the lower surface of a core material. The core material may provide the second end 4 with flexibility or elastic properties. The core may comprise a plastic material, preferably a thermoplastic material such as polyvinyl chloride (PVC), polyurethane (PU), polypropylene (PP) or polyethylene (PE), or combinations thereof. The thermoplastic material may be polystyrene (PS), polyethylene terephthalate (PET), sodium polyacrylate, polyvinyl butyral, or combinations thereof. Further, the core material may have WPC (Wood Plastic Composite). The core material may have an elastomer. It is also contemplated that the core material may have one or more layers. For example, the core may have a first layer of wood fiber board such as MDF or HDF and a second layer of elastic material such as plastic, preferably thermoplastic material or elastomer. .

  The first and second floor boards 1 and 2 may be elastic floor boards such as luxurious vinyl tiles or boards, vinyl-free floor boards and the like. The 1st and 2nd floor boards 1 and 2 have a core material, a surface layer arrange | positioned on the upper surface of a core material, and a lining layer selectively arrange | positioned on the lower surface of a core material. May be. The core material may have a thermoplastic material such as polyvinyl chloride (PVC), polyurethane (PU), polypropylene (PP) or polyethylene (PE). The core material may have an elastomer. The surface layer may have one or more layers such as a printed layer, an abrasion resistant layer and a protective coat. The printed layer and / or the abrasion resistant layer may comprise a thermoplastic material such as a thermoplastic foil. The thermoplastic material of the printing layer and the abrasion resistant layer is polyvinyl chloride (PVC), polyester, polypropylene (PP), polyethylene (PE), polystyrene (PS), polyurethane (PUR) polyethylene terephthalate (PET), sodium polyacrylate , Polyvinyl butyral, or a combination thereof. The protective coat may be a radiation cured coat such as a UV cured coat.

  As shown in FIGS. 2 and 3 and FIGS. 4 and 5, the second end 4 is provided with a calibration groove 11. The calibration groove 11 is disposed adjacent to the fixed groove 7. The calibration groove 11 is disposed on the lower surface 18 of the second floor board 2. The calibration groove 11 extends to the fixed groove 7. The calibration groove 11 is open toward the fixed groove 7. The calibration groove 11 extends in the vertical direction from the lower surface of the floor board 2. The calibration groove 11 has a bottom surface 19 that can extend horizontally or be inclined.

  In the embodiment in which the second floor plate 2 has a core material at the second end 4, the calibration groove 11 may be formed in the core material. In the embodiment in which the second floor board 2 has the core material at the second end 4 and the backing layer on the lower surface of the core material, the calibration groove 11 is formed in the backing layer or the backing layer and the core material. May be.

  The calibration groove 11 is configured to adjust the difference in thickness between the first and second floor plates 1 and 2, and in particular, the first and second floor plates 1 and 2, respectively. It is comprised so that the difference in thickness in the edge parts 3 and 4 may be adjusted. As shown in FIGS. 2 and 4, the thickness of the second floor board 2 at the second end 4 exceeds the thickness of the first floor 1 at the first end 3. As a result, the tongue groove 9 is arranged above the tongue 8 so that the tongue 8 is prevented from entering a state of cooperating with the tongue groove 9, as shown in FIG. . In the embodiment shown in FIG. 4, the tongue 13 is only partially inserted into the tongue groove 14. The fixing surface of the tongue 13 and the tongue groove 14 are in a state of being fitted only partially.

  When placed on the floor substrate 10, the presence of the calibration groove 11 at the second end 4 gives rise to a distance formed between the floor substrate 10 and the floor board 2 at the second end 4. 3 and 5, the calibration groove 11 is pushed to the position where the tongues 8 and 13 can shift to the fitting with the tongue grooves 9 and 14, and the second end 4 is pushed toward the floor substrate 10. It is possible to be When the tongues 8 and 13 are fitted with the tongue grooves 9 and 14, the first end 3 and the second end 4 are fixed in the vertical direction. As shown in FIGS. 3 and 5, at least a part of the bottom surface 19 of the calibration groove 11 is in contact with the floor substrate 10. The fitting of the tongues 8 and 13 in the tongue grooves 9 and 14 fixes the first end 3 and the second end 4 at a position where the second end 4 bends toward the floor base 10. Preferably, the upper side surface 17 of the second floor plate 2 at the second end portion 4 is the first end portion 3 at the first end portion 3 when the tongue portions 8 and 13 are brought into a state of fitting with the tongue groove portions 9 and 14. Aligned with the upper side 15 of the floorboard 1.

  Preferably, the flexible or elastic properties of the second floor plate 2 or the core of the second floor plate 2 help to achieve the desired bending at the second end 4. The width of the calibration groove 11 in the horizontal direction parallel to the upper side surface 17 and orthogonal to the connection surface 34 may be adjusted according to the material characteristics of the second floor board. If the second floor plate 2 is stiffer, the width of the calibration groove 11 should be increased in order to obtain the desired bending at the second end 4. If the second floor board 2 is more flexible and / or elastic, the width of the calibration groove 11 can be reduced compared to a harder floor board. By adjusting the width of the calibration groove 11, the desired flexibility and elasticity of the second floor plate 2 for allowing the second end 4 to bend toward the floor substrate 10 can be obtained.

  The calibration groove 11 preferably extends on the extension of the second end 4 in the horizontal direction parallel to the upper surface 17 and horizontally along the connection surface 34. The calibration groove 11 is preferably continuous. In an alternative embodiment, the calibration groove 11 may be discontinuous in a horizontal direction parallel to the upper surface 17 and horizontally along the connection surface 34.

  Preferably, the depth of the calibration groove 11 is substantially equal to the difference in thickness between the first floor board 1 and the second floor board 2. Preferably, the depth of the calibration groove 11 is less than 0.5 mm, preferably less than 0.3 mm, more preferably less than 0.2 mm.

  The calibration groove 11 can be formed when the mechanical fastening system is formed. The depth of the calibration groove 11 can be selected as the average difference in thickness between the plurality of floor boards or as the depth exceeding the average difference in thickness between the plurality of floor boards. A floor board having a thickness exceeding a desired thickness may be provided with a calibration groove 11. The floor board having a thickness not exceeding the desired thickness may not be provided with the calibration groove 11.

  FIG. 6a shows the first floor board 1 in cross section. The first floor board 1 has a first end 3 and a second end 24. FIG. 6b shows the second floor board 2 in cross section. The second floor board 2 has a second end 4 and a first end 23. The first and second floor plates 1 and 2 in FIGS. 6a and 6b correspond to the first and second floor plates 1 and 2 in FIGS. 2 to 5 show the connection of the first and second floor boards 1 and 2, while FIGS. 6a and 6b show the floor boards separately. The description of the first and second floor plates 1 and 2 with reference to FIGS. 2 to 5 also applies to the first and second floor plates 1 and 2 described below with reference to FIGS. 6a and 6b, and vice versa. It is the same.

  A method for forming a mechanical fastening system at the ends of the first and second floorboards 1, 2 will be described below with reference to FIGS. The fixing groove 27 is formed on the lower surface 16 of the second end 24 of the first floor board 1 having the first thickness. Moreover, the fixing groove 7 is formed in the lower surface 18 of the 2nd edge part 4 of the 2nd floor board 2 which has 2nd thickness. The thickness of the first floor board 1 may be different from the thickness of the second floor board 2.

  If the thickness of any of the first and second floorboards 1, 2, preferably measured at the second end 4, 24 in which the fixing grooves 7, 27 are formed, exceeds a predetermined thickness, the calibration groove 11 Is formed on the floorboard. If the thickness is equal to or smaller than the predetermined thickness, the calibration groove is not formed. 6a to 6b, the calibration groove 11 is formed in both the first and second floor plates 1 and 2.

  The calibration groove 11 is formed by the tool 40. The tool 40 is disposed at a fixed distance from the upper side surfaces 15 and 17 of the first and second floor plates 1 and 2. The fixed distance is the same between the upper side surface 15 of the first floor board 1 and the tool 40 and between the upper side surface 17 of the second floor board 2 and the tool 40. The fixed distance corresponds to a predetermined desired value of thickness. The predetermined desired value may correspond to at least the average thickness of the first and second floorboards.

  By arranging the tool 40 at a fixed position, the floor plate having a thickness exceeding the distance is provided with the calibration groove 11. The tool 40 may be a knife, a heating device configured to melt a part of the floor board, a scraper tool, a cutting tool, or the like.

  The first floor plate 1 and the second floor plate 2 are preferably transported by the same transport element when the floor plates 1, 2 pass through the tool 40. The distance between the conveying element and the tool 40 is fixed. Preferably, the upper side surfaces 15 and 17 of the first floor board 1 and the second floor board 2 are respectively in contact with the conveying element.

  The calibration groove 11 is formed on the lower side surfaces 16 and 18 of the second end portions 4 and 24 of the first and second floor plates 1 and 2. The calibration groove 11 may be formed by cutting, scraping, or melting a part of the floor board. The calibration groove 11 may be formed such that the calibration groove 11 opens toward the fixed grooves 7 and 27. The calibration groove 11 is disposed adjacent to the fixed grooves 7 and 27. Preferably, the first and second floor plates 1 and 2 are conveyed in the horizontal direction between the first position where the fixing grooves 7 and 27 are formed and the second position where the calibration groove 11 is formed.

  The calibration groove 11 has a bottom surface 19. The calibration groove 11 is formed so that each of the bottom surface 19 of the calibration groove 11 of the first floor plate 1 and the bottom surface 19 of the calibration groove 11 of the second floor plate 2 substantially extends from the upper side surfaces 15 and 17 of the first and second floor plates 1 and 2. Are arranged at the same distance. The distance between the upper side surfaces 15, 17 of each floor plate and the bottom surface 19 of each calibration groove 11 is substantially the same for the first and second floor plates 1, 2. Even when the first and second floor plates 1 and 2 have different thicknesses, the bottom surface 19 of each calibration groove 11 is substantially from the upper side surfaces 15 and 17 of the first and second floor plates 1 and 2, respectively. Placed at a distance equal to. As a result, the depth of the calibration groove 11 may vary between floorboards depending on the initial thickness of the floorboard at the second ends 4, 24.

  The method also includes the step of forming a fixing strip 5 provided with a fixing element 6 at the first end 3 of the first floor board 1 and a fixing element 26 at the first end 23 of the second floor board 2. And a step of forming the fixing strip 25. The fixing elements 6, 26 are configured to cooperate with the fixing grooves 7, 27 for fixing in the horizontal direction.

  The method also includes a step of forming the tongue groove 9 in the second end 4 of the second floor plate 2 and a step of forming the tongue groove 29 in the second end 24 of the first floor plate 1. You may do it. The moving groove 12 may be formed at the first end 3 of the first floor board 1, and the moving groove 22 is formed at the first end 23 of the second floor board 2. The method may also include the step of inserting the movable tongue 8 into each of the moving grooves 12 and 22 as shown in FIGS. The movable tongue 8 is movable in the movement grooves 12 and 22. The movable tongue 8 is configured to fix the floor board in the vertical direction. Alternatively, vertical fixation may be ensured by the tongue 13 and tongue groove 14 as shown in FIGS.

  The fixed strip 25, the fixed element 26 and the moving groove 22 of the first end 23 of the second floor board 2 are substantially in the fixed strip 5, the fixing element 6 and the moving groove 12 of the first end 3 of the first floor board 1. And that the above description with reference to FIGS. 2-5 also applies to FIGS. 6a-6b.

  The fixing groove 27 and the tongue groove 29 of the second end 24 of the first floor board 1 substantially correspond to the fixing groove 7 and the tongue groove 9 of the second end 4 of the second floor board 2, and It should be understood that the above description with reference to FIGS. 2-5 also applies to FIGS.

  The first and second end portions 3, 4, 23 and 24 may be short-side end portions of the first and second floor plates 1 and 2. The long side ends of the first and second floor plates 1 and 2 may be provided with a mechanical fixing system. For example, the long edge may be provided with a mechanical fastening system configured to secure the floorboard by bending. Alternatively, the long edge may be provided with a mechanical fastening system of the type described above. It is also contemplated that the floorboard may be square, rectangular or other polygonal shape.

  By the upper side surfaces 15 and 17 of the floor boards 1 and 2, the side facing away from the floor base 10 when the floor board is installed is meant. However, during manufacture, the upper side surfaces 15 and 17 do not necessarily have to face upward, and may temporarily face downward.

  It is contemplated that there are many variations of each embodiment described herein that are within the scope of the invention as defined by the appended claims.

  It is also considered that the calibration groove 11 may have various shapes. For example, the calibration groove may be U-shaped as shown in FIGS. Furthermore, the bottom surface 19 of the calibration groove 11 may be inclined as shown in FIGS.

  Furthermore, the mechanical fastening system described above with reference to FIGS. 2-6 may be used without using the calibration groove 11. For example, a floorboard having a mechanical fastening system with a fastening strip 5 protruding from the first end 3 of the first floorboard 1 may be provided. The fixing strip 5 cooperates with the fixing groove 7 on the lower surface 18 of the second end 4 of the second floor plate 2 for fixing the first end 3 and the second end 4 in the horizontal direction. A fixing element 6 may be provided. The fixing element 6 has a curved outer upper part 30. The fixing groove 7 may have a curved outer lower portion 31.

Claims (23)

  1. A floorboard comprising a first floorboard (1) and a second floorboard (2) arranged on a floor foundation (10) , provided with a mechanical fastening system,
    With fixed strip (5) which projects from the first end of the first floor plate (1) (3),
    The fixing strip (5) is fixed grooves (7) and cooperating in the second floor plate (2) second end (4) the subfloor (10) lower surface that will face toward the of the (18) Provided with a fixing element (6) configured to work and for fixing the first end (3) and the second end (4) in the horizontal direction;
    The first end (3) and the second end (4) are assembled by a downward movement of the second end (4) in the vertical direction toward the first end (3). Is configured as
    The second end (4) is provided with a calibration groove (11) adjacent to the fixed groove (7) ,
    The calibration groove (11) is provided on the lower surface (18) of the second end (4), and when the second floor board (2) is disposed on the floor base (10), the horizontal direction is obtained. The calibration groove (11) allows the second end (4) to be pushed and bent toward the floor substrate (10). A floorboard , characterized in that it is provided for adjusting the difference in thickness between the first floorboard (1) and the second floorboard (2) .
  2.   The floor board according to claim 1, wherein at least the second end (4) has flexibility.
  3.   The floor board according to claim 1 or 2, wherein at least the second floor board (2) has flexibility.
  4.   The floorboard according to any one of claims 1 to 3, wherein at least the second floorboard (2) comprises a plastic material, preferably a thermoplastic material or an elastomer.
  5.   The floor board according to any one of claims 1 to 4, wherein the core material of the second floor board (2) comprises a plastic material, preferably a thermoplastic material or an elastomer.
  6.   The floor board according to any one of claims 1 to 5, wherein the calibration groove (11) is open toward the fixed groove (7).
  7. The floorboard according to any of the preceding claims, wherein the depth of the calibration groove (11) is substantially equal to or exceeds the average difference in thickness between the floorboards.
  8.   The depth of the calibration groove (11) is substantially equal to the difference in thickness between the first floor plate (1) and the second floor plate (2). The floor board in any one.
  9.   The floor board according to any one of claims 1 to 8, wherein the calibration groove (11) is arranged on a lower surface (18) of the second floor board (2).
  10.   The floorboard according to any one of the preceding claims, wherein the fixing element (6) has a curved outer upper part (30).
  11.   In order to fix the first end (3) and the second end (4) in the vertical direction, the first end (3) or the second end (4) is the first end A tongue (8; 13) configured to cooperate with a tongue groove (9; 14) at the other of (3) or the second end (4). The floor board in any one of 1 thru | or 10.
  12.   The floorboard according to claim 11, wherein the tongue (13) is made of the same material as the first end (3) or the second end (4).
  13.   The floor board according to claim 12, wherein the tongue (13) is provided at the second end (4) and extends vertically downward from an upper surface (17) of the second floor board (2). .
  14.   The floorboard according to claim 13, wherein the width of the tongue (13) increases with the distance from the upper surface (17) of the second floorboard (2).
  15.   The floor board according to claim 11, wherein the tongue is a movable tongue disposed in the movement groove (12).
  16. A method for manufacturing a mechanical fixing system at the end portions (3, 4, 23, 24) of a first floor plate (1) and a second floor plate (2) arranged on a floor substrate (10),
    Preparing the first floor board (1) and the second floor board (2), wherein the first floor board (1) has a first thickness, and the second floor board (2) is the first floor board (2). A process having a second thickness different from the thickness of 1;
    Of the first floor plate (1) and the second floor plate (2), the second end (4, 24) is fixed to the lower surface (16, 18) that faces the floor base (10). Forming grooves (7, 27);
    Said lower surface of at least one of said second end of said first floorboard (1) and the second floor plate (2) (4, 24); (16 18), calibrated using a tool (40) A step of forming a groove (11), wherein the calibration groove (11) is horizontal when the first floor board (1) or the second floor board (2) is disposed on the floor base (10). It has a bottom surface (19) that extends in a direction or is inclined, and the calibration groove (11) can be bent as the second end (4) is pushed towards the floor substrate (10). And the tool (40) is provided to adjust the difference in thickness between the first floor board (1) and the second floor board (2 ). And a step of being arranged at a position fixed to the upper side surfaces (15, 17) of the second floor board (2). Method for producing a fixation system.
  17.   The method further includes the step of disposing the bottom surface (19) of the calibration groove (11) at a fixed position from the upper surface (15, 17) of the first floor plate (1) and the second floor plate (2). The method of manufacturing a mechanical fastening system according to claim 16.
  18. The bottom surface (19) of the calibration groove (11) is such that the depth of the calibration groove (11) is the average difference in thickness between the first floor plate (1) and the second floor plate (2). The method of manufacturing a mechanical fixation system according to claim 16, wherein the mechanical fixation system is arranged so as to be substantially equal to or greater than.
  19.   The bottom surface (19) of the calibration groove (11) is such that the depth of the calibration groove (11) is different in thickness between the first floor plate (1) and the second floor plate (2). The method of manufacturing a mechanical fixation system according to claim 16, wherein the mechanical fixation system is arranged to be substantially equal.
  20.   The method of manufacturing a mechanical fixing system according to claim 16, wherein the fixing groove and the calibration groove are formed adjacent to each other.
  21.   21. The method of manufacturing a mechanical fixing system according to claim 16, wherein the calibration groove (11) opens toward the fixing groove (7, 27).
  22.   In the step of forming a fixing strip (5, 25) provided with a fixing element (6, 26) on the first end (3, 23) of the first floor plate (1) and the second floor plate (2). 22. The mechanical fixation according to any of claims 16 to 21, wherein the fixing element (6, 26) further comprises a step configured to cooperate with the fixing groove (7, 27). System manufacturing method.
  23. Forming tongue grooves (9, 29; 14) in the first end (1) or the second end (2) of the first floor plate (1) and the second floor plate (2); ,
    Providing a tongue (8; 13) on the other of the first end (3) and the second end (4) of the first floor plate (1) and the second floor plate (2); 23. The mechanical fixation system according to any of claims 16 to 22, wherein the tongue (8; 13) is configured to cooperate with the tongue groove (9, 29; 14). Manufacturing method.
JP2016504281A 2013-03-25 2014-03-25 Floor board provided with mechanical fixing system and method for manufacturing the fixing system Active JP6392847B2 (en)

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SE1350377-6 2013-03-25
PCT/SE2014/050360 WO2014182215A1 (en) 2013-03-25 2014-03-25 Floorboards provided with a mechanical locking system and a method to produce such a locking system

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